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Direct and inverse theorems on the approximation of functions by Fourier-Laplace sums in the spaces \(S^{(p,q)}(\sigma^m)\) - MaRDI portal

Direct and inverse theorems on the approximation of functions by Fourier-Laplace sums in the spaces \(S^{(p,q)}(\sigma^m)\) (Q276679)

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scientific article; zbMATH DE number 6577121
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Direct and inverse theorems on the approximation of functions by Fourier-Laplace sums in the spaces \(S^{(p,q)}(\sigma^m)\)
scientific article; zbMATH DE number 6577121

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    Direct and inverse theorems on the approximation of functions by Fourier-Laplace sums in the spaces \(S^{(p,q)}(\sigma^m)\) (English)
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    4 May 2016
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    approximation of functions
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    Fourier-Laplace sum
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    the spaces \(S^{(p,q)}(\sigma^m)\)
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    modulus of continuity
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    Parseval's equality
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    Jackson-type inequality
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    Gegenbauer polynomial
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    Bernstein-Stechkin-Timan-type inequality
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